Year	current US$
1971	39999.9991059303
1972	119999.997317791
1973	19999.9995529652
1974	19999.9995529652
1976	9999.99977648258
1979	9999.99977648258
1980	170000.00178813902
1981	1230000.01907349
1982	639999.985694885
1983	870000.004768372
1984	140000.000596046
1985	400000.00596046395
1986	1629999.99523163
1987	670000.016689301
1988	7590000.15258789
1989	759999.990463257
1990	1460000.03814697
1991	1480000.01907349
1992	1490000.0095367401
1993	469999.998807907
1994	310000.002384186
1995	1279999.97138977
1996	1070000.05245209
1997	1080000.04291534
1998	1129999.99523163
1999	1169999.95708466
2000	699999.988079071
2001	759999.990463257
2002	779999.971389771
2003	1029999.97138977
2004	2420000.07629395
2005	5329999.92370605
2006	6070000.17166138
2007	6099999.90463257
2008	5610000.1335144
2009	4570000.17166138
2010	5849999.90463257
2011	4889999.8664856
2012	3430000.0667572
2013	4139999.8664856004
2014	4650000.09536743
2015	6119999.88555908
2016	3069999.9332428
2017	4940000.05722046
2018	5320000.17166138
2019	4949999.80926514
2020	6780000.20980835
2021	6369999.88555908
2022	4280000.20980835